Basics Flashcards
Learn quick basics (27 cards)
1
Q
0.01
A
1/100
1%
2
Q
0.1
A
1/10
10%
3
Q
0.2
A
1/5
20%
4
Q
0.25
A
1/4
25%
5
Q
0.333…
A
1/3
33 1/3%
6
Q
.4
A
2/5
40%
7
Q
0.5
A
1/2
50%
8
Q
0.6
A
3/5
60%
9
Q
Is
A
=
10
Q
Of, times, product
A
X
11
Q
What (or any u known value)
A
Any variable (x,k,b)
12
Q
X^2-y^2= ?
A
(X+y)(x-y)
Differqnce of squares
13
Q
(X+y)^2=?
A
X^2 + 2xy + y^2
14
Q
(x-y)^2 = ?
A
x^2 - 2xy + y^2
15
Q
Rectangle area
A
Length × height
16
Q
Rectangle perimeter
A
Length+length+height+height
17
Q
Square area
A
Side squared
18
Q
Square perimeter
A
Side x 4
19
Q
Total if square and rectangle angels
A
360
20
Q
How to find circumference
A
2 x pie x radius
Or
Pie x diameter
21
Q
Area of a circle
A
Pie x radius squared
22
Q
÷ increase
A
ORIGONAL NUMBER = THE LESSER
23
Q
% decrease
A
Origonal number = greater
24
Q
Equation of a line
A
Y=mx+b
25
Ewuation for total angels in polygon
180(n-2)
| N= number of sides
26
Equation for single interior angle in a polygon
180 (n-2)
__________
N
N= number of sides
27
Slope equation
Rise. Y2- y1
______________
Run. X2 - x1
